22400025340 has 48 divisors (see below), whose sum is σ = 58647343104. Its totient is φ = 6981825600.

The previous prime is 22400025257. The next prime is 22400025341. The reversal of 22400025340 is 4352000422.

It is a super-2 number, since 2×22400025340² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22400025341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7271196 + ... + 7274275.

It is an arithmetic number, because the mean of its divisors is an integer number (1221819648).

Almost surely, 2^22400025340 is an apocalyptic number.

22400025340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22400025340 is an abundant number, since it is smaller than the sum of its proper divisors (36247317764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22400025340 is a wasteful number, since it uses less digits than its factorization.

22400025340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14545498 (or 14545496 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22400025340 its reverse (4352000422), we get a palindrome (26752025762).

The spelling of 22400025340 in words is "twenty-two billion, four hundred million, twenty-five thousand, three hundred forty".